參數(shù)資料
型號(hào): MT28F320A18
廠商: Micron Technology, Inc.
英文描述: FLASH MEMORY
中文描述: 閃存
文件頁(yè)數(shù): 2/37頁(yè)
文件大小: 558K
代理商: MT28F320A18
2 MEG x 16
1.8V ENHANCED+ BOOT BLOCK FLASH MEMORY
PRELIMINARY
2 Meg x 16, 1.8V Enhanced+ Boot Block Flash Memory
MT28F320A18_3.fm - Rev. 3, Pub. 9/2002
2002, Micron Technology Inc.
2
GENERAL DESCRIPTION
The MT28F320A18 is a nonvolatile electrically
block-erasable (Flash) memory containing eight 4K-
word parameter blocks and sixty-three 32K-word main
blocks.
The MT28F320A18 allows soft protection for blocks,
as read only, by configuring soft protection registers
with dedicated command sequences. For security pur-
poses, a 128-bit chip protection register is provided.
The embedded WORD WRITE and BLOCK ERASE
functions are fully automated by an on-chip write state
machine (WSM). An on-chip status register can be
used to monitor the WSM status and to determine the
progress of the PROGRAM/ERASE task.
The ERASE/PROGRAM SUSPEND functionality
allows compatibility with existing EEPROM emulation
software packages.
The device is manufactured using 0.15μm process
technology.
Please refer to Micron’s Web site (
www.micron.com/
flash
) for the latest data sheet.
ARCHITECTURE AND MEMORY
ORGANIZATION
The MT28F320A18 contains eight 4K-word parame-
ter blocks and sixty-three 32K-word main blocks.
memory organizations for the 32Mb device.
DEVICE MARKING
Due to the size of the package, Micron’s standard
part number is not printed on the top of each device.
Instead, an abbreviated device mark comprised of a
five-digit alphanumeric code is used. The abbreviated
device marks are cross referenced to Micron part num-
bers in Table 1.
Table 1:
Cross Reference for Abbreviated Device Marks
PART NUMBER
PRODUCT
MARKING
FW722
FW723
SAMPLE
MARKING
FX722
FX723
MECHANICAL
SAMPLE
MARKING
FY722
FY723
MT28F320A18FF-70 BET
MT28F320A18FF-70 TET
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